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In systems theory, an open system is a feed forward system that does not have any feedback loop to control its output. In contrast, a closed system uses on a feedback loop to control the operation of the system. In an open system, the output of the system is not fed back into the input to the system for control or operation. [citation needed]
An open system is also known as a flow system. The concept of an open system was formalized within a framework that enabled one to interrelate the theory of the organism, thermodynamics, and evolutionary theory. [1] This concept was expanded upon with the advent of information theory and subsequently systems theory. Today the concept has its ...
Process: A naturally occurring or designed sequence of actions of an agent or changes of properties or attributes of an object or system. Process model: An organized arrangement of systems concepts and principles that portray the behavior of a system through time. Its metaphor is the "motion-picture" of "movie" of the system.
The open systems theory is the foundation of black box theory. Both have focus on input and output flows, representing exchanges with the surroundings. In systems theory, the black box is an abstraction representing a class of concrete open system which can be viewed solely in terms of its stimuli inputs and output reactions:
the systems modeling and simulation, such as system dynamics; any specific systems modeling language; As a field of study systems modeling has emerged with the development of system theory and systems sciences. As a type of modeling systems modeling is based on systems thinking and the systems approach. In business and IT systems modeling ...
Open system (systems theory), in the natural and social sciences, a process that exchanges material, energy, people, capital or information with its environment Open system (thermodynamics) , in thermodynamics and physics, a system where matter and energy can enter or leave, in contrast to a closed system where energy can enter or leave but ...
A technical reference model can be defined as a taxonomy of services arranged according to a conceptual model, such as the Open System Environment model. The enumerated services are specific to those needed to support the technology computing style (e.g., distributed object computing) and the industry/business application needs (e.g., Human ...
The basic characteristics of an open system is the dynamic interaction of its components, while the basis of a cybernetic model is the feedback cycle. Open systems can tend toward higher levels of organization (negative entropy), while closed systems can only maintain or decrease in organization." [1]